Ammonia nitrogen online analyzer

Measurement methods	Distillation separation, sodium colorimetry
Test range	(0-4), (0-15), (0-50), (0-300) mg / L four ranges
Maximum test range	0—300mg/L
Resistance to chloride ion interference	max 300mg/L
Detect offline	8mg/L
Resolution	<1mg/L
Accuracy	Standard solution <5%, water sample <10%
Reproducibility	＜5%
Digestion temperature	165℃，can be se
Digestion time	15min，can be se
Trouble-free running time	≥720h/time
Range drift	±5%F.S
Sample interval	Continuous, 0.5 hours, 1 hour, 2 hours, 24 hours, trigger
Calibration interval	Manually or automatically at selected intervals and times (1-7 days)
Reagent consumption	About 720 samples per set of reagents
HMI	7 inch, 70,000 colors, 800 * 480 resolution, TFT true color touch screen
Print	Reserved printer interface, can be connected to industrial micro printer (optional)
Store	20,000 pieces of data, which will not be lost when power is off
Communication Interface	1 channel RS232 digital interface or RS485, support MODBUS communication protocol or custom protocol 1 channel analog 4-20mA (20mA corresponding range adjustable)
Pretreatment system	The functions of self-cleaning, back-blowing, and precision filtering ensure that the sample is well represented, and also avoid the suspension of suspended particles in the pipeline to ensure the continuity of data. (Optional)
Dimensions	770 * 600 * 450 (mm) Weight 50kg	重量	50kg
Power supply	AC220V±20%，50Hz±1%	功率	300W

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